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Ksju [112]
3 years ago
12

4 steps for Gene cloning

Biology
1 answer:
Marat540 [252]3 years ago
5 0

Step 1: Isolate the two kinds of DNA.

Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.

Step 3: Mix the foreign DNA with chopped plasmids.

Step 4: Add DNA ligase.

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Susan, a 67 year old female, is experiencing ataxia, or poor muscle coordination. when doctors perform a romberg test, the resul
Mice21 [21]

Correct Completed  Questions; Susan, a 67 year old female is experiencing ataxia, or poor muscle coordination. Doctors perform a neurological exam and they find that Susan is not positive for the Romberg test. Describe what these findings suggest about the sources of Susan's ataxia.

Answer:s

In order to test for balance and positioning(proprioception)   as a measure of  neurological function, or to test level   of intoxication alcohol  during driving, Romberg test is usually conducted,which can be negative or positive.It is generally used to investigate the cause of loss of motor control in individuals.

Explanation:

A positive result  showed that her  ataxia was due to loss of positioning due to loss of  sensory from sensory neurons.However if negative as in the case of Susan, then it  is to due to abnormality/dysfunctions   in the cerebellum, and not due to loss of sensory functions,

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3 years ago
Suppose a polymerase chain reaction (PCR) amplification process begins with exactly one double-stranded template DNA. How many D
Agata [3.3K]

Answer:

1. Number of DNA molecules after 30 Cycles of PCR = 1.02 x 10^9

2. No. of mutant DNA molecules = 1.07 x 10^9

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1. You just have to take the exponential of 2 to the power of the number of PCR cycles (2^n)

2. All copies were normal at cycle 10 that are about 1024 copies. At cycle 11 single point error, all further copies are mutated.

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Co2 is returned to the atmosphere by all methods except question 19 options: combustion. decomposition. photosynthesis. respirat
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f

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